微信公众号-关注与取关

当用户关注和取消关注时MsgType的类型均为event，我们可以在此时进行一些业务处理

接收样例：

<xml>
<ToUserName><![CDATA[toUser]]></ToUserName>
<FromUserName><![CDATA[FromUser]]></FromUserName>
<CreateTime>123456789</CreateTime>
<MsgType><![CDATA[event]]></MsgType>
<Event><![CDATA[subscribe]]></Event>
</xml>

from django.shortcuts import render, HttpResponse
from django.views.decorators.csrf import csrf_exempt

import hashlib
import xmltodict
import time

from myApp.accessToken import AccessToken

def index(request):
    pass
def responseXML(ToUserName, FromUserName, MsgType, **kwargs):
    pass

@csrf_exempt
def weixin(request):
    if request.method == "GET":
        pass
    else:
        pass

        if MsgType == "text":
            pass
        elif MsgType == "event":
            Event = reqDict.get("Event")
            if Event == "subscribe":
                # 业务逻辑
                resXml = responseXML(FromUserName, ToUserName, "text", Content="欢迎光临红浪漫，三楼男宾一位")
                return HttpResponse(resXml)
            elif Event == "unsubscribe":
                # 业务逻辑
                return HttpResponse("")
        else:
            pass

def access(request):
    pass